/* ============================================================
   Clash官网 · 首页专属样式(home.css)
   依赖 base.css 设计令牌;仅首页组件,禁止与共享层重复定义
   ============================================================ */

/* ---------- 01 · Hero ---------- */
.hero {
  border-bottom: var(--line-w) solid var(--rule);
  background: var(--paper-lift);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 44px;
  align-items: center;
  padding-top: 72px;
  padding-bottom: 64px;
}
.hero-grid > * { min-width: 0; }

.hero-flag {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 18px;
  padding: 5px 12px;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--ink-dim);
  border: var(--line-w) solid var(--rule);
  border-radius: var(--rad-s);
  background: var(--paper-deep);
}
.hero-dot {
  width: 7px;
  height: 7px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--pine);
  animation: hero-breathe 2.4s ease-in-out infinite;
}
@keyframes hero-breathe {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.72); }
}

.hero-copy h1 { margin-bottom: 22px; }

.hero-act {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}

.hero-desc {
  font-size: 1.02rem;
  color: var(--ink-dim);
  max-width: 34em;
  margin-bottom: 18px;
}
.hero-desc strong { color: var(--pine-deep); }

.hero-caps {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.hero-caps li {
  margin: 0;
  padding: 3px 11px;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--ink-dim);
  border: var(--line-w) solid var(--rule);
  border-radius: 999px;
  background: var(--paper);
  white-space: nowrap;
}

/* ---------- 02 · 分流台账(装饰) ---------- */
.ledger {
  background: var(--paper-lift);
  border: var(--line-w) solid var(--rule);
  border-radius: var(--rad-m);
  box-shadow: var(--press);
  overflow: hidden;
}
.ledger-cap {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 16px;
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  color: var(--ink-dim);
  background: var(--paper-deep);
  border-bottom: var(--line-w) solid var(--rule);
}
.ledger-head,
.ledger-row {
  display: grid;
  grid-template-columns: 62px 1fr 96px 70px;
  gap: 10px;
  align-items: center;
  padding: 7px 16px;
}
.ledger-head {
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  color: var(--ink-dim);
  border-bottom: var(--line-w) solid var(--rule);
}
.ledger-body {
  min-height: 216px;
  padding: 4px 0 8px;
}
.ledger-row {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink);
  border-bottom: var(--line-w) dashed var(--rule-faint);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .35s ease, transform .35s ease;
}
.ledger-row.on { opacity: 1; transform: none; }
.ledger-row.out {
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity .3s ease, transform .3s ease;
}
.ledger-row > span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ledger-time { color: var(--ink-dim); }
.ledger-rule { color: var(--pine-deep); }
.ledger-row .badge { justify-self: start; }

/* ---------- 03 · 状态栏装饰条 ---------- */
.stat-strip {
  border-top: var(--line-w) solid var(--rule);
  background: var(--paper-deep);
}
.stat-in {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 34px;
  padding-top: 9px;
  padding-bottom: 9px;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
}
.stat-item {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  white-space: nowrap;
}
.stat-k { color: var(--ink-dim); letter-spacing: 0.14em; }
.stat-v { color: var(--pine-deep); font-weight: 600; }
.stat-u { color: var(--ink-dim); }

/* ---------- 04 · 特性区:索引脊 + 详情面板 ---------- */
.feat-shell {
  display: grid;
  grid-template-columns: 236px 1fr;
  align-items: stretch;
  background: var(--paper-lift);
  border: var(--line-w) solid var(--rule);
  border-radius: var(--rad-m);
  overflow: hidden;
}
.feat-shell > * { min-width: 0; }

.feat-shell .tabset-col {
  background: var(--paper-deep);
  padding: 10px 0;
}
.feat-shell .tabset-col [role="tab"] {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
}
.spine-code {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--pine);
  flex-shrink: 0;
}
.spine-name {
  font-family: var(--font-body);
  font-size: 0.9rem;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* 自动轮播进度线:当前 tab 底部一条缩放线 */
.spine-bar {
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 100%;
  background: var(--pine);
  transform: scaleX(0);
  transform-origin: left;
}
.feat-shell [role="tab"][aria-selected="true"] .spine-bar.run {
  animation: spine-run var(--spine-dur, 6s) linear forwards;
}
.feat-shell.paused [role="tab"] .spine-bar.run { animation-play-state: paused; }
@keyframes spine-run {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

.feat-shell .tabpanel {
  border: none;
  border-radius: 0;
  padding: 30px 32px;
}
.feat-sum { color: var(--ink-dim); margin-bottom: 16px; }

/* 详情表格行逐行淡入 */
.feat-shell .tabpanel .kv-row {
  opacity: 0;
  transform: translateY(6px);
  animation: kv-in .4s ease forwards;
}
.feat-shell .tabpanel .kv-row:nth-child(1) { animation-delay: .05s; }
.feat-shell .tabpanel .kv-row:nth-child(2) { animation-delay: .15s; }
.feat-shell .tabpanel .kv-row:nth-child(3) { animation-delay: .25s; }
.feat-shell .tabpanel .kv-row:nth-child(4) { animation-delay: .35s; }
@keyframes kv-in {
  to { opacity: 1; transform: none; }
}

/* ---------- 05 · 分区尾部“更多”链接 ---------- */
.sec-more {
  margin: 28px 0 0;
  text-align: right;
}
.sec-more a {
  font-size: 0.8rem;
  letter-spacing: 0.06em;
}

/* ---------- 06 · 下载入口五平台网格 ---------- */
.os-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.os-grid > * { min-width: 0; }
.os-cell {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  padding: 26px 18px 20px;
  background: var(--paper-lift);
  border: var(--line-w) solid var(--rule);
  border-radius: var(--rad-m);
  transition: border-color .18s ease, box-shadow .18s ease;
}
.os-cell:hover { border-color: var(--pine); box-shadow: var(--press); }
.os-code {
  position: absolute;
  top: -0.72em;
  left: 14px;
  padding: 0 8px;
  background: var(--paper-lift);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--pine);
}
.os-icon { color: var(--pine-deep); flex-shrink: 0; }
.os-name { margin: 4px 0 0; font-size: 1rem; }
.os-req { margin: 0 0 6px; font-size: 0.68rem; letter-spacing: 0.02em; }
.os-cell .btn { margin-top: auto; }

/* ---------- 07 · 开源背书区 ---------- */
.trust-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: stretch;
}
.trust-grid > * { min-width: 0; }

.trust-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--line-w) solid var(--rule-faint);
}
.trust-list li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0;
  padding: 9px 2px;
  font-size: 0.88rem;
  border-bottom: var(--line-w) solid var(--rule-faint);
}
.trust-k {
  font-size: 0.72rem;
  color: var(--ink-dim);
  letter-spacing: 0.04em;
  flex-shrink: 0;
  min-width: 74px;
}

.clone-box {
  display: flex;
  flex-direction: column;
  padding: 22px;
}
.clone-cap {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--pine);
  margin: 0 0 14px;
}
.clone-row {
  display: flex;
  gap: 10px;
  align-items: stretch;
}
.clone-row > * { min-width: 0; }
.clone-cmd {
  flex: 1;
  margin: 0;
  background: var(--paper-lift);
}
.clone-row .btn { align-self: center; flex-shrink: 0; }
.clone-note {
  margin: 14px 0 0;
  font-size: 0.82rem;
}

/* ---------- 08 · 响应式 ---------- */
@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
    padding-top: 52px;
    padding-bottom: 48px;
  }
  .feat-shell { grid-template-columns: 200px 1fr; }
  .os-grid { grid-template-columns: repeat(3, 1fr); }
  .trust-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .feat-shell { grid-template-columns: 1fr; }
  .feat-shell .tabset-col {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0;
    border-right: none;
    border-bottom: var(--line-w) solid var(--rule);
    padding: 0;
  }
  .feat-shell .tabset-col [role="tab"] {
    width: auto;
    flex: 1 1 auto;
    justify-content: center;
    padding: 0.7em 0.7em;
    border-left: none;
    border-bottom: 3px solid transparent;
  }
  .feat-shell .tabset-col [role="tab"][aria-selected="true"] {
    border-left: none;
    border-bottom: 3px solid var(--pine);
  }
  .spine-name { display: none; }
  .spine-bar { display: none; }
  .feat-shell .tabpanel { padding: 20px 16px; }

  .os-grid { grid-template-columns: 1fr 1fr; }
  .ledger-head, .ledger-row { grid-template-columns: 52px 1fr 78px 62px; padding: 7px 10px; }
  .ledger-row { font-size: 0.64rem; }
  .clone-row { flex-direction: column; }
  .clone-row .btn { align-self: flex-start; }
  .stat-in { gap: 6px 20px; }
}

@media (max-width: 400px) {
  .os-grid { grid-template-columns: 1fr; }
  .ledger-head, .ledger-row { grid-template-columns: 48px 1fr 70px 58px; gap: 6px; }
}